Chromosomal Abnormalities Star Larson 4(B) 4/6/17

Down's Syndrome: It is a congenital disorder arising form chromosome defect,which causes a abnormalities including a short stature and a broad facial profile. It comes from the defect of chromosome 21 (trisomy-21) "extra copy".

The People it occurs in are people who inherit an unbalanced translocation.

Klinefelter Syndrome: This is a genetic disorder that affects males. It occurs when a boy is born with one or more extra X chromosomes.

It occurs because theres an error in cell division called nondisjunction. Which results in a reproductive cell with abnormal number of chromosomes.

Turner's Syndrome: a chromosomal disorder that only effects females. It is a lack of part or all of the second sex chromosomes in all or some cells.(Gonadal dysgenesis.)

Its not inherited. It occurs as a random event during cell division in early fetal development.

Color Blindness: is an abnormal condition caused by the inability to clearly distinguish different colors of the spectrum difficulties can be mild to severe it's a misleading term because people with color blindness are not blind.

This occurs more frequently in males then females.

Report Abuse

If you feel that this video content violates the Adobe Terms of Use, you may report this content by filling out this quick form.

To report a Copyright Violation, please follow Section 17 in the Terms of Use.